*{
	margin: 0;
	padding: 0;
}
img{
	display: block;
}
.header_wrap{
	background: #000000;
	min-width: 990px;
}
.header{
	width: 990px;
	height: 40px;
	margin: 0 auto;
}
.header a{
	float: left;
	color: #FFFFFF;
	line-height: 40px;
	padding: 0 20px;
	text-decoration: none;
	font-family: "微软雅黑";
	font-size: 14px;
	height: 40px;
	margin-right: 10px;
}
.header a:hover{
	background:rgb(178,178,178);
	color: #000000;
	
}
.center{
	width: 990px;
	margin: 0 auto;
	position: relative;
}
.small{
	padding: 5px;
	border: 1px solid #EEEEEE;
	width: 300px;
	float: left;
	position: absolute;
	left: 20px;
	top: 20px;
	cursor: pointer;
}
.small img{
	width: 300px;
}
.small span{
	width: 100px;
	height: 100px;
	background: black;
	filter:alpha(opacity:40);
	opacity: 0.4;
	position: absolute;
	top: 5px;
	left: 5px;
	display: none;
}
.big{
	border: 1px solid #EEEEEE;
	width: 400px;
	height: 450px;
	overflow: hidden;
	position: absolute;
	left: 350px;
	top: 20px;
	display: none;
}
.big img{
	position: absolute;
	left: 0;
	top: 0;
}
.list{
	position: absolute;
	left: 20px;
	top:450px;
	
}
.list img {
	padding:3px;
	border: 1px solid #EEEEEE;
	width: 55px;
	float: left;
	margin-right: 22px;
	cursor: pointer;
	
}
